Home / 3,217,240.25-4,825,856.46-821,085.11

Finding the Fourth Proportional to 3,217,240.25, 4,825,856.46 and 821,085.11

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Solution

The fourth proportional to 3,217,240.25, 4,825,856.46 and 821,085.11 is: 1,231,626.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217,240.25 : 4,825,856.46 = 821,085.11 : x
  2. Step 2: Convert to fraction form
    3,217,240.25/4,825,856.46 = 821,085.11/x
  3. Step 3: Cross multiply
    3,217,240.25x = 4,825,856.46 × 821,085.11
  4. Step 4: Simplify right side
    3,217,240.25x = 3,962,438,882,303.31
  5. Step 5: Solve for x
    x = 3,962,438,882,303.31/3,217,240.25
  6. Step 6: Final answer
    x = 1,231,626.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.